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<FONT color="green">001</FONT>    package org.wattdepot.simulation.oahugrid.main.realtime;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Calendar;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Date;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.GregorianCalendar;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.HashMap;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.List;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.util.Map;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.xml.datatype.XMLGregorianCalendar;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.wattdepot.client.BadXmlException;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.wattdepot.client.MiscClientException;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.wattdepot.client.NotAuthorizedException;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.wattdepot.client.ResourceNotFoundException;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.wattdepot.client.WattDepotClient;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.wattdepot.resource.property.jaxb.Property;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.wattdepot.resource.sensordata.jaxb.SensorData;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.wattdepot.resource.source.jaxb.Source;<a name="line.17"></a>
<FONT color="green">018</FONT>    import org.wattdepot.simulation.oahugrid.demandcurve.DailyDemandCurve;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.wattdepot.simulation.oahugrid.demandcurve.StandardDemandCurve;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.wattdepot.simulation.oahugrid.demandcurve.WeekendDemandCurve;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.wattdepot.simulation.oahugrid.powerplant.PowerPlant;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.wattdepot.simulation.oahugrid.powerplant.PowerPlantSet;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.wattdepot.simulation.oahugrid.strategy.ByPeakTypeStrategy;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.wattdepot.simulation.oahugrid.strategy.SimulationEntry;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.wattdepot.simulation.oahugrid.strategy.SimulationStrategy;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.wattdepot.simulation.util.SimulationClient;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.wattdepot.util.tstamp.Tstamp;<a name="line.27"></a>
<FONT color="green">028</FONT>    import it.sauronsoftware.cron4j.TaskExecutionContext;<a name="line.28"></a>
<FONT color="green">029</FONT>    import it.sauronsoftware.cron4j.Task;<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    import static org.wattdepot.simulation.oahugrid.powerplant.PowerPlantSet.HIGH_CARBON_PLANTS;<a name="line.31"></a>
<FONT color="green">032</FONT>    import static org.wattdepot.simulation.oahugrid.powerplant.PowerPlantSet.LOW_CARBON_PLANTS;<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>    /**<a name="line.34"></a>
<FONT color="green">035</FONT>     * Determines the power plants and their values each time the cron job wakes up.<a name="line.35"></a>
<FONT color="green">036</FONT>     * @author Philip Johnson<a name="line.36"></a>
<FONT color="green">037</FONT>     *<a name="line.37"></a>
<FONT color="green">038</FONT>     */<a name="line.38"></a>
<FONT color="green">039</FONT>    public class RealtimeSimulationTask extends Task {<a name="line.39"></a>
<FONT color="green">040</FONT>      /** Maps the day of the year to its associated demandCurve. */<a name="line.40"></a>
<FONT color="green">041</FONT>      private Map&lt;Integer, DailyDemandCurve&gt; demandCurveCache = new HashMap&lt;Integer,DailyDemandCurve&gt;();<a name="line.41"></a>
<FONT color="green">042</FONT>      /** Maps the day of the year to its associated plantSet. */<a name="line.42"></a>
<FONT color="green">043</FONT>      private Map&lt;Integer, PowerPlantSet&gt; plantSetCache = new HashMap&lt;Integer,PowerPlantSet&gt;();<a name="line.43"></a>
<FONT color="green">044</FONT>      /** Maps plant names to their associated WattDepotClient. */<a name="line.44"></a>
<FONT color="green">045</FONT>      private WattDepotClient client;<a name="line.45"></a>
<FONT color="green">046</FONT>      <a name="line.46"></a>
<FONT color="green">047</FONT>      <a name="line.47"></a>
<FONT color="green">048</FONT>      /**<a name="line.48"></a>
<FONT color="green">049</FONT>       * Creates the simulation task, and reads in properties from wattdepot.simulation.properties<a name="line.49"></a>
<FONT color="green">050</FONT>       * which should be located in ~/.wattdepot/client.  If not found, or if the required properties <a name="line.50"></a>
<FONT color="green">051</FONT>       * are not found, then system exits with an error. <a name="line.51"></a>
<FONT color="green">052</FONT>       */<a name="line.52"></a>
<FONT color="green">053</FONT>      public RealtimeSimulationTask() {<a name="line.53"></a>
<FONT color="green">054</FONT>        System.out.println("Getting simulation properties and initializing the WattDepot client.");<a name="line.54"></a>
<FONT color="green">055</FONT>        this.client = SimulationClient.getWattDepotClient();<a name="line.55"></a>
<FONT color="green">056</FONT>        <a name="line.56"></a>
<FONT color="green">057</FONT>        System.out.println("Validating PowerPlant sources and getting EnergyGeneratedToDate (MWH).");<a name="line.57"></a>
<FONT color="green">058</FONT>        for (PowerPlant plant : PowerPlant.values()) {<a name="line.58"></a>
<FONT color="green">059</FONT>          this.initializePowerPlant(plant);<a name="line.59"></a>
<FONT color="green">060</FONT>        }<a name="line.60"></a>
<FONT color="green">061</FONT>      }<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>      /**<a name="line.63"></a>
<FONT color="green">064</FONT>       * Determine the power plants and their power/energy values upon wakeup.<a name="line.64"></a>
<FONT color="green">065</FONT>       * @param context The task execution context (ignored).<a name="line.65"></a>
<FONT color="green">066</FONT>       * @throws RuntimeException If problems occur. <a name="line.66"></a>
<FONT color="green">067</FONT>       */<a name="line.67"></a>
<FONT color="green">068</FONT>      @Override<a name="line.68"></a>
<FONT color="green">069</FONT>      public void execute(TaskExecutionContext context) throws RuntimeException {<a name="line.69"></a>
<FONT color="green">070</FONT>        System.out.println("Oahu grid simulation waking up at: " + new Date());<a name="line.70"></a>
<FONT color="green">071</FONT>        GregorianCalendar now = new GregorianCalendar();<a name="line.71"></a>
<FONT color="green">072</FONT>        int dayOfYear = now.get(Calendar.DAY_OF_YEAR);<a name="line.72"></a>
<FONT color="green">073</FONT>        // Determine what power plants are running now.<a name="line.73"></a>
<FONT color="green">074</FONT>        PowerPlantSet set = getPowerPlantSet(dayOfYear);<a name="line.74"></a>
<FONT color="green">075</FONT>        // Determine the daily demand curve for today.<a name="line.75"></a>
<FONT color="green">076</FONT>        DailyDemandCurve curve = getDemandCurve(now); <a name="line.76"></a>
<FONT color="green">077</FONT>        // Specify the strategy by which we will allocated power among plants. <a name="line.77"></a>
<FONT color="green">078</FONT>        SimulationStrategy strategy = new ByPeakTypeStrategy();<a name="line.78"></a>
<FONT color="green">079</FONT>        // Determine the current 15 minute interval that we are in.<a name="line.79"></a>
<FONT color="green">080</FONT>        int interval = this.getCurrentInterval(now);<a name="line.80"></a>
<FONT color="green">081</FONT>        // Get the simulation entries indicating the power associated with each plant for this interval.<a name="line.81"></a>
<FONT color="green">082</FONT>        List&lt;SimulationEntry&gt; entries = strategy.generateInterval(curve, set, interval);<a name="line.82"></a>
<FONT color="green">083</FONT>        long totalWatts = 0;<a name="line.83"></a>
<FONT color="green">084</FONT>        for (SimulationEntry entry : entries) {<a name="line.84"></a>
<FONT color="green">085</FONT>          PowerPlant plant = entry.getPlant();<a name="line.85"></a>
<FONT color="green">086</FONT>          String name = plant.name();<a name="line.86"></a>
<FONT color="green">087</FONT>          long watts = 1000000L * entry.getGridMW();<a name="line.87"></a>
<FONT color="green">088</FONT>          totalWatts += watts;<a name="line.88"></a>
<FONT color="green">089</FONT>          double energyGeneratedToDate = plant.getEnergyGeneratedToDate() + (watts / 4.0);<a name="line.89"></a>
<FONT color="green">090</FONT>          plant.incrementEnergyGeneratedToDate(watts / 4);<a name="line.90"></a>
<FONT color="green">091</FONT>          System.out.format("  Plant: %15s, Power: %3.1f MW, Energy Generated To Date: %4.1f MWH%n", <a name="line.91"></a>
<FONT color="green">092</FONT>              name, mega(watts), mega(energyGeneratedToDate));<a name="line.92"></a>
<FONT color="green">093</FONT>          // Send data to WattDepot server.<a name="line.93"></a>
<FONT color="green">094</FONT>          sendData(plant, watts, energyGeneratedToDate);<a name="line.94"></a>
<FONT color="green">095</FONT>          // Update each plant's energy-to-date counter to include the next 15 min of power generation.<a name="line.95"></a>
<FONT color="green">096</FONT>        }<a name="line.96"></a>
<FONT color="green">097</FONT>        // Indicate the total MW of power the plants are generating during this time interval.<a name="line.97"></a>
<FONT color="green">098</FONT>        System.out.format("  Total power: %3.1f MW%n", mega(totalWatts));<a name="line.98"></a>
<FONT color="green">099</FONT>      }<a name="line.99"></a>
<FONT color="green">100</FONT>      <a name="line.100"></a>
<FONT color="green">101</FONT>      /**<a name="line.101"></a>
<FONT color="green">102</FONT>       * Send the simulation data to the WattDepot server.<a name="line.102"></a>
<FONT color="green">103</FONT>       * Prints an error message if problems occur, but does not exit.  <a name="line.103"></a>
<FONT color="green">104</FONT>       * @param plant The plant (the WattDepot source).<a name="line.104"></a>
<FONT color="green">105</FONT>       * @param watts The current power.<a name="line.105"></a>
<FONT color="green">106</FONT>       * @param energyGeneratedToDate Its current cumulative energy.<a name="line.106"></a>
<FONT color="green">107</FONT>       */<a name="line.107"></a>
<FONT color="green">108</FONT>      private void sendData(PowerPlant plant, double watts, double energyGeneratedToDate) {<a name="line.108"></a>
<FONT color="green">109</FONT>        XMLGregorianCalendar timestamp = Tstamp.makeTimestamp();<a name="line.109"></a>
<FONT color="green">110</FONT>        String toolName = "OahuGridSimulation";<a name="line.110"></a>
<FONT color="green">111</FONT>        String sourceURI = Source.sourceToUri(plant.name(), client.getWattDepotUri());<a name="line.111"></a>
<FONT color="green">112</FONT>        SensorData data = new SensorData(timestamp, toolName, sourceURI);<a name="line.112"></a>
<FONT color="green">113</FONT>        data.addProperty(new Property(SensorData.POWER_GENERATED, watts));<a name="line.113"></a>
<FONT color="green">114</FONT>        data.addProperty(new Property(SensorData.ENERGY_GENERATED_TO_DATE, energyGeneratedToDate));<a name="line.114"></a>
<FONT color="green">115</FONT>        try {<a name="line.115"></a>
<FONT color="green">116</FONT>          client.storeSensorData(data);<a name="line.116"></a>
<FONT color="green">117</FONT>        }<a name="line.117"></a>
<FONT color="green">118</FONT>        catch (Exception e) {<a name="line.118"></a>
<FONT color="green">119</FONT>          System.out.format("Error while sending data to WattDepot: %n  %s" + e.getMessage());<a name="line.119"></a>
<FONT color="green">120</FONT>        }<a name="line.120"></a>
<FONT color="green">121</FONT>      }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>    <a name="line.124"></a>
<FONT color="green">125</FONT>      /**<a name="line.125"></a>
<FONT color="green">126</FONT>       * Returns an ordered list of the power plants. The list will either  <a name="line.126"></a>
<FONT color="green">127</FONT>       * prefer high carbon plants (on even days) or low carbon plants (on odd days).<a name="line.127"></a>
<FONT color="green">128</FONT>       * We cache the value upon first computation for convenience.<a name="line.128"></a>
<FONT color="green">129</FONT>       * @param dayOfYear The day of the year of interest. <a name="line.129"></a>
<FONT color="green">130</FONT>       * @return The ordered list of power plants. <a name="line.130"></a>
<FONT color="green">131</FONT>       */<a name="line.131"></a>
<FONT color="green">132</FONT>      private PowerPlantSet getPowerPlantSet(int dayOfYear) {<a name="line.132"></a>
<FONT color="green">133</FONT>        // Update the cache if we don't have an entry.<a name="line.133"></a>
<FONT color="green">134</FONT>        if (!plantSetCache.containsKey(dayOfYear)) {<a name="line.134"></a>
<FONT color="green">135</FONT>          boolean preferHighCarbon = (dayOfYear % 2) == 0;<a name="line.135"></a>
<FONT color="green">136</FONT>          PowerPlantSet set = preferHighCarbon ? HIGH_CARBON_PLANTS : LOW_CARBON_PLANTS;<a name="line.136"></a>
<FONT color="green">137</FONT>          plantSetCache.put(dayOfYear, set);<a name="line.137"></a>
<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>        // Return the power plant set from the cache.<a name="line.139"></a>
<FONT color="green">140</FONT>        return plantSetCache.get(dayOfYear);<a name="line.140"></a>
<FONT color="green">141</FONT>      }<a name="line.141"></a>
<FONT color="green">142</FONT>      <a name="line.142"></a>
<FONT color="green">143</FONT>      /**<a name="line.143"></a>
<FONT color="green">144</FONT>       * Returns a DailyDemandCurve given a day. Currently, the demand curve is based just on the day of<a name="line.144"></a>
<FONT color="green">145</FONT>       * the week; we choose either the StandardDemandCurve or the WeekendDemandCurve. The weekend has a<a name="line.145"></a>
<FONT color="green">146</FONT>       * 5 MW jiggle, the weekday has a 10 MW jiggle.<a name="line.146"></a>
<FONT color="green">147</FONT>       * <a name="line.147"></a>
<FONT color="green">148</FONT>       * @param day The day for which we want a demand curve.<a name="line.148"></a>
<FONT color="green">149</FONT>       * @return The DailyDemandCurve to be used for this day.<a name="line.149"></a>
<FONT color="green">150</FONT>       */<a name="line.150"></a>
<FONT color="green">151</FONT>      private DailyDemandCurve getDemandCurve(GregorianCalendar day) {<a name="line.151"></a>
<FONT color="green">152</FONT>        int dayOfYear = day.get(Calendar.DAY_OF_YEAR);<a name="line.152"></a>
<FONT color="green">153</FONT>        // Update the cache if we don't have an entry.<a name="line.153"></a>
<FONT color="green">154</FONT>        if (!demandCurveCache.containsKey(dayOfYear)) {<a name="line.154"></a>
<FONT color="green">155</FONT>          // If it's a weekend, generate data using the weekend demand curve.<a name="line.155"></a>
<FONT color="green">156</FONT>          if ((day.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)<a name="line.156"></a>
<FONT color="green">157</FONT>              || (day.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY)) {<a name="line.157"></a>
<FONT color="green">158</FONT>            demandCurveCache.put(dayOfYear, new WeekendDemandCurve(day).addRandomVariation(5));<a name="line.158"></a>
<FONT color="green">159</FONT>          }<a name="line.159"></a>
<FONT color="green">160</FONT>          else {<a name="line.160"></a>
<FONT color="green">161</FONT>            demandCurveCache.put(dayOfYear, new StandardDemandCurve(day).addRandomVariation(10));<a name="line.161"></a>
<FONT color="green">162</FONT>          }<a name="line.162"></a>
<FONT color="green">163</FONT>        }<a name="line.163"></a>
<FONT color="green">164</FONT>        // Return the demand curve from the cache.<a name="line.164"></a>
<FONT color="green">165</FONT>        return demandCurveCache.get(dayOfYear);<a name="line.165"></a>
<FONT color="green">166</FONT>      }<a name="line.166"></a>
<FONT color="green">167</FONT>      <a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>      /**<a name="line.169"></a>
<FONT color="green">170</FONT>       * Returns an integer between 0 and 95 indicating the current 15 minute interval associated<a name="line.170"></a>
<FONT color="green">171</FONT>       * with the passed timestamp.<a name="line.171"></a>
<FONT color="green">172</FONT>       * @param today The timestamp of interest. <a name="line.172"></a>
<FONT color="green">173</FONT>       * @return An integer between 0 and 95.<a name="line.173"></a>
<FONT color="green">174</FONT>       */<a name="line.174"></a>
<FONT color="green">175</FONT>      private int getCurrentInterval(GregorianCalendar today) {<a name="line.175"></a>
<FONT color="green">176</FONT>        int hourOfDay = today.get(Calendar.HOUR_OF_DAY);<a name="line.176"></a>
<FONT color="green">177</FONT>        int minuteOfDay = today.get(Calendar.MINUTE);<a name="line.177"></a>
<FONT color="green">178</FONT>        return (hourOfDay * 4) + (minuteOfDay / 15);<a name="line.178"></a>
<FONT color="green">179</FONT>      }<a name="line.179"></a>
<FONT color="green">180</FONT>      <a name="line.180"></a>
<FONT color="green">181</FONT>      /**<a name="line.181"></a>
<FONT color="green">182</FONT>       * Ensures that the passed PowerPlant is a valid source on the server. <a name="line.182"></a>
<FONT color="green">183</FONT>       * Then retrieves the energy generated to date value.  If no sensor data for that source,<a name="line.183"></a>
<FONT color="green">184</FONT>       * it initializes energy generated to date to zero.<a name="line.184"></a>
<FONT color="green">185</FONT>       * @param plant The plant that should correspond to a source. <a name="line.185"></a>
<FONT color="green">186</FONT>       */<a name="line.186"></a>
<FONT color="green">187</FONT>      private void initializePowerPlant(PowerPlant plant) {<a name="line.187"></a>
<FONT color="green">188</FONT>        // First, validate the source. <a name="line.188"></a>
<FONT color="green">189</FONT>        try {<a name="line.189"></a>
<FONT color="green">190</FONT>          this.client.getSource(plant.name());<a name="line.190"></a>
<FONT color="green">191</FONT>        }<a name="line.191"></a>
<FONT color="green">192</FONT>        catch (NotAuthorizedException e) {<a name="line.192"></a>
<FONT color="green">193</FONT>          System.out.format("You do not have access to the source %s. Aborting.%n", plant.name());<a name="line.193"></a>
<FONT color="green">194</FONT>          throw new RuntimeException(e);<a name="line.194"></a>
<FONT color="green">195</FONT>        }<a name="line.195"></a>
<FONT color="green">196</FONT>        catch (ResourceNotFoundException e) {<a name="line.196"></a>
<FONT color="green">197</FONT>          System.err.format("Source %s does not exist on server. Aborting.%n", plant.name());<a name="line.197"></a>
<FONT color="green">198</FONT>          throw new RuntimeException(e);<a name="line.198"></a>
<FONT color="green">199</FONT>        }<a name="line.199"></a>
<FONT color="green">200</FONT>        catch (BadXmlException e) {<a name="line.200"></a>
<FONT color="green">201</FONT>          System.err.println("Received bad XML from server, which is weird. Aborting.");<a name="line.201"></a>
<FONT color="green">202</FONT>          throw new RuntimeException(e);<a name="line.202"></a>
<FONT color="green">203</FONT>        }<a name="line.203"></a>
<FONT color="green">204</FONT>        catch (MiscClientException e) {<a name="line.204"></a>
<FONT color="green">205</FONT>          System.err.println("Had problems retrieving source from server, which is weird. Aborting.");<a name="line.205"></a>
<FONT color="green">206</FONT>          throw new RuntimeException(e);<a name="line.206"></a>
<FONT color="green">207</FONT>        }<a name="line.207"></a>
<FONT color="green">208</FONT>        // Now, initialize its energy generated value. <a name="line.208"></a>
<FONT color="green">209</FONT>        double latestEnergy = 0;<a name="line.209"></a>
<FONT color="green">210</FONT>        try {<a name="line.210"></a>
<FONT color="green">211</FONT>          latestEnergy = this.client.getLatestEnergyGeneratedToDate(plant.name());<a name="line.211"></a>
<FONT color="green">212</FONT>        }<a name="line.212"></a>
<FONT color="green">213</FONT>        catch (ResourceNotFoundException e) {<a name="line.213"></a>
<FONT color="green">214</FONT>          System.out.format("No prior energy generation found for source %s%n", plant.name());<a name="line.214"></a>
<FONT color="green">215</FONT>        }<a name="line.215"></a>
<FONT color="green">216</FONT>        catch (Exception e) {<a name="line.216"></a>
<FONT color="green">217</FONT>          System.err.format("Had problems retrieving energy to date for source %s.%n", plant.name());<a name="line.217"></a>
<FONT color="green">218</FONT>          throw new RuntimeException(e);<a name="line.218"></a>
<FONT color="green">219</FONT>        }<a name="line.219"></a>
<FONT color="green">220</FONT>        System.out.format("%15s energy generated to date: %4.1f MWH%n", plant.name(), <a name="line.220"></a>
<FONT color="green">221</FONT>            mega(latestEnergy));<a name="line.221"></a>
<FONT color="green">222</FONT>        plant.initializeEnergyGeneratedToDate(latestEnergy);<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>      }<a name="line.224"></a>
<FONT color="green">225</FONT>      <a name="line.225"></a>
<FONT color="green">226</FONT>      /**<a name="line.226"></a>
<FONT color="green">227</FONT>       * Converts the passed watts (or watt-hours) to megawatts (or megawatt-hours).<a name="line.227"></a>
<FONT color="green">228</FONT>       * @param watts The watts.<a name="line.228"></a>
<FONT color="green">229</FONT>       * @return The mega version. <a name="line.229"></a>
<FONT color="green">230</FONT>       */<a name="line.230"></a>
<FONT color="green">231</FONT>      <a name="line.231"></a>
<FONT color="green">232</FONT>      private double mega(double watts) {<a name="line.232"></a>
<FONT color="green">233</FONT>        return (watts / 1000000);<a name="line.233"></a>
<FONT color="green">234</FONT>      }<a name="line.234"></a>
<FONT color="green">235</FONT>    }<a name="line.235"></a>




























































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